package org.ttitfly.ttcore.interceptor;

import java.io.IOException;

import javax.servlet.Filter;
import javax.servlet.FilterChain;
import javax.servlet.FilterConfig;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;

import org.springframework.security.access.SecurityMetadataSource;
import org.springframework.security.access.intercept.AbstractSecurityInterceptor;
import org.springframework.security.access.intercept.InterceptorStatusToken;
import org.springframework.security.web.FilterInvocation;
import org.springframework.security.web.access.intercept.FilterInvocationSecurityMetadataSource;

public class SSFilterInterceptor extends AbstractSecurityInterceptor implements
		Filter {
	private FilterInvocationSecurityMetadataSource securityMetadataSource;

	public FilterInvocationSecurityMetadataSource getSecurityMetadataSource() {
		return securityMetadataSource;
	}

	public void setSecurityMetadataSource(
			FilterInvocationSecurityMetadataSource securityMetadataSource) {
		this.securityMetadataSource = securityMetadataSource;
	}

	public void destroy() {

	}

	public void doFilter(ServletRequest arg0, ServletResponse arg1,
			FilterChain arg2) throws IOException, ServletException {
//		Object principal = SecurityContextHolder.getContext()
//				.getAuthentication().getPrincipal();

//		System.out.println("username: "
//				+ ((UserDetails) principal).getUsername());
//		System.out.println("password: "
//				+ ((UserDetails) principal).getPassword());

		FilterInvocation filterInvocation = new FilterInvocation(arg0, arg1,
				arg2);

		InterceptorStatusToken statusToken = this
				.beforeInvocation(filterInvocation);

		filterInvocation.getChain().doFilter(filterInvocation.getHttpRequest(),
				filterInvocation.getResponse());

		this.afterInvocation(statusToken, null);
	}

	public void init(FilterConfig arg0) throws ServletException {

	}

	@Override
	public Class<? extends Object> getSecureObjectClass() {
		return FilterInvocation.class;
	}

	@Override
	public SecurityMetadataSource obtainSecurityMetadataSource() {
		return this.securityMetadataSource;
	}
}
